Inner pot detection method and cooking utensil

文档序号：1919780 发布日期：2021-12-03 浏览：26次中文

阅读说明：本技术 内锅检测方法及烹饪器具 (Inner pot detection method and cooking utensil ) 是由王赟于 2020-05-29 设计创作，主要内容包括：本发明公开了一种内锅检测方法及烹饪器具。其中,该方法包括：获取至少一路红外对管电路输出的电压值；基于至少一个电压值,确定烹饪器具中内锅的材质。本发明解决了相关技术中内锅检测方法的准确度较低的技术问题。(The invention discloses an inner pot detection method and a cooking utensil. Wherein, the method comprises the following steps: acquiring a voltage value output by at least one path of infrared pair transistor circuit; and determining the material of the inner pot in the cooking utensil based on at least one voltage value. The invention solves the technical problem of lower accuracy of the inner pot detection method in the related technology.)

1. An inner pot detection method is characterized by comprising the following steps:

acquiring a voltage value output by at least one path of infrared pair transistor circuit;

and determining the material of the inner pot in the cooking utensil based on at least one voltage value.

2. The method of claim 1, wherein determining a material of an inner pan of the cooking appliance based on the at least one voltage value comprises:

obtaining the average value of at least one voltage value to obtain the voltage average value;

comparing the voltage mean value with a plurality of preset voltage ranges to obtain a target voltage range corresponding to the voltage mean value;

and determining the material of the inner pot based on the target voltage range.

3. The method of claim 2, wherein prior to obtaining a mean value of at least one of the voltage values, the method further comprises:

judging whether at least one voltage value is in a set range;

under the condition that at least one voltage value is in the set range, obtaining the average value of at least one voltage value to obtain the voltage average value;

and under the condition that any one of the at least one voltage value is not in the set range, outputting alarm information, wherein the alarm information is used for representing that the surface of the inner pot is abnormal.

4. The method of claim 2, wherein determining the material of the inner pot based on the target voltage range comprises:

determining a color of a coating on the inner pan surface based on the target voltage range;

and determining the material of the inner pot based on the corresponding relation between the color of the coating and the material of the inner pot.

5. The method of claim 2, wherein a prompt message is output when the voltage mean value is greater than a preset voltage value, wherein the preset voltage value is greater than or equal to a maximum voltage value in the plurality of preset voltage ranges, and the prompt message is used for prompting that the inner pot is not placed in the cooking appliance.

6. The method according to claim 2, wherein the voltage difference value corresponding to each preset voltage range is 1V, wherein the voltage difference value is a difference value between a maximum voltage value and a minimum voltage value within the preset voltage range.

7. The method of claim 1, wherein a plurality of said infrared pair tube circuits are mounted at predetermined intervals in a predetermined direction of said cooking appliance, wherein said predetermined direction comprises one of: horizontal direction, vertical direction, and diagonal direction.

8. The method of claim 7, wherein a plurality of the infrared pair tube circuits are equally spaced in the predetermined direction.

9. The method of claim 1, wherein after determining a material of an inner pan in the cooking appliance based on the at least one voltage value, the method further comprises:

determining cooking parameters corresponding to the inner pot based on the material of the inner pot;

controlling the cooking appliance to perform a cooking operation according to the cooking appliance.

10. A cooking appliance, comprising:

at least one infrared pair of transistor circuits;

and the controller is connected with the at least one path of infrared pair tube circuit and is used for determining the material of the inner pot in the cooking utensil based on the voltage value output by the at least one path of infrared pair tube circuit.

11. The cooking appliance of claim 10, wherein the cooking appliance is an electric pressure cooker.

12. A storage medium, characterized in that the storage medium comprises a stored program, wherein when the program runs, the device where the storage medium is located is controlled to execute the inner pot detection method according to any one of claims 1 to 9.

13. A processor, characterized in that the processor is configured to run a program, wherein the program is configured to execute the inner pan detection method according to any one of claims 1 to 9 when running.

Technical Field

The invention relates to the field of household appliances, in particular to an inner pot detection method and a cooking appliance.

Background

The inner pots made of different materials can be configured on the existing cooking appliance, different heating powers are started for the inner pots made of different materials, and therefore the materials of the inner pots need to be detected.

However, the existing detection method adopts methods such as judging frequency or temperature rising curve, which is easy to misjudge, resulting in inaccurate detection, further adopting wrong heating power, resulting in poor cooking effect or damage to machines.

In view of the above problems, no effective solution has been proposed.

Disclosure of Invention

The embodiment of the invention provides an inner pot detection method and a cooking utensil, and at least solves the technical problem that the accuracy of the inner pot detection method in the related technology is low.

According to an aspect of an embodiment of the present invention, there is provided an inner pot detection method, including: acquiring a voltage value output by at least one path of infrared pair transistor circuit; and determining the material of the inner pot in the cooking utensil based on at least one voltage value.

In the embodiment of the invention, based on the infrared pair tube transmitting and receiving principle, the voltage value output by at least one path of infrared pair tube circuit is different according to different infrared absorption amounts of the inner pot made of different materials, so that the purpose of accurately detecting the material of the inner pot is achieved by obtaining the voltage value output by at least one path of infrared pair tube circuit, the technical effect of improving the detection accuracy is realized, and the technical problem of lower accuracy of the inner pot detection method in the related technology is solved.

Optionally, determining a material of an inner pot in the cooking appliance based on the at least one voltage value includes: obtaining the average value of at least one voltage value to obtain the voltage average value; comparing the voltage mean value with a plurality of preset voltage ranges to obtain a target voltage range corresponding to the voltage mean value; and determining the material of the inner pot based on the target voltage range. Different preset voltage ranges are set for the inner pots made of different materials, and the obtained voltage value is compared with the preset voltage ranges, so that the purpose of detecting the materials of the inner pots is achieved.

Optionally, before obtaining a mean value of the at least one voltage value, the method further includes: judging whether at least one voltage value is in a set range; under the condition that at least one voltage value is in a set range, obtaining the mean value of at least one voltage value to obtain a voltage mean value; and under the condition that any one voltage value in the at least one voltage value is not in the set range, outputting alarm information, wherein the alarm information is used for representing that the surface of the inner pot is abnormal. By comparing the acquired voltage value with the set range, the problem that the detection accuracy is reduced due to the fact that the surface of the inner pot is abnormal is avoided.

Optionally, determining a material of the inner pot based on the target voltage range includes: determining a color of a coating on the inner pan surface based on the target voltage range; and determining the material of the inner pot based on the corresponding relation between the color of the coating and the material of the inner pot. The coating with different colors is coated on the surface of the inner pot made of different materials, so that the purpose of determining the material of the inner pot based on the voltage value output by the infrared geminate transistor circuit is achieved.

Optionally, when the voltage average value is greater than a preset voltage value, outputting a prompt message, where the preset voltage value is greater than or equal to a maximum voltage value in a plurality of preset voltage ranges, and the prompt message is used for prompting that the inner pot is not placed in the cooking appliance. Whether the inner pot is placed through the infrared geminate transistor circuit detection cooking utensil to the suggestion avoids user's maloperation to forget to place the inner pot, leads to the cooking utensil to damage.

Optionally, a voltage difference value corresponding to each preset voltage range is 1V, where the voltage difference value is a difference value between a maximum voltage value and a minimum voltage value within the preset voltage range. The detection is carried out within a wider preset voltage range, so that the detection error caused by the color change of the inner pot due to long-time use is avoided.

Optionally, the plurality of infrared pair tube circuits are distributed at equal intervals in the preset direction. The infrared pair tube circuit is installed at equal intervals, so that the purpose of simplifying the installation process is achieved.

Optionally, after determining the material of the inner pot in the cooking appliance based on the at least one voltage value, the method further comprises: determining corresponding cooking parameters of the inner pot based on the material of the inner pot; controlling the cooking appliance to perform a cooking operation according to the cooking appliance. The inner pots made of different materials are cooked by adopting different cooking parameters, so that the aims of improving the cooking effect and improving the reliability of the cooking utensil are fulfilled.

According to another aspect of the embodiments of the present invention, there is also provided a cooking appliance including: at least one infrared pair of transistor circuits; and the controller is connected with the at least one path of infrared pair tube circuit and is used for determining the material of the inner pot in the cooking appliance based on the voltage value output by the at least one path of infrared pair tube circuit.

Optionally, the cooking appliance is an electric pressure cooker.

According to another aspect of the embodiments of the present invention, there is also provided a storage medium including a stored program, wherein when the program runs, the apparatus on which the storage medium is located is controlled to execute the above-mentioned inner pot detection method.

According to another aspect of the embodiments of the present invention, there is also provided a processor, configured to execute a program, where the program executes the inner pan detection method described above.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is a flow chart of an inner pot detection method according to an embodiment of the invention;

FIG. 2 is a block diagram of an alternative inner pan detection system according to an embodiment of the present invention;

FIG. 3 is a flow chart of an alternative inner pan detection method according to an embodiment of the present invention;

FIG. 4 is a schematic view of an inner pan detection unit according to an embodiment of the present invention; and

fig. 5 is a schematic view of a cooking appliance according to an embodiment of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

According to an embodiment of the present invention, there is provided an inner pot detection method, it should be noted that the steps shown in the flowchart of the drawings may be executed in a computer system such as a set of computer executable instructions, and that although a logical order is shown in the flowchart, in some cases, the steps shown or described may be executed in an order different from that here.

Fig. 1 is a flowchart of an inner pot detection method according to an embodiment of the present invention, as shown in fig. 1, the method includes the following steps:

step S102, acquiring a voltage value output by at least one path of infrared geminate transistor circuit;

at present, there are two kinds of infrared photoelectric tubes, one is a colorless and transparent LED which is a transmitting tube and can generate invisible infrared light to human eyes after being electrified, and the other part is a black receiving part, and the internal resistance of the infrared photoelectric tube can change with the amount of received infrared light. The detection principle is the same whether the infrared detector is integrated or separated, and due to black light absorption, when the infrared emitting tube irradiates on a black object, the reflected light is less, the infrared light received by the receiving tube is less, and the infrared light is represented as large resistance; similarly, when the white object is irradiated, more light is reflected, and the resistance of the receiving tube is small.

Based on the above principle, the inner pot surface made of different materials can be coated with coatings of different colors, for example, the color of the coating of the steel pot is black, the color of the coating of the enamel pot is gray, and the color of the coating of the aluminum pot is light white, but not limited thereto. In addition, at least one path of infrared pair tube circuit can be arranged in the cooking utensil, each path of infrared pair tube circuit can comprise a transmitting tube, a receiving tube and an external circuit, the transmitting tube is a colorless transparent infrared photoelectric tube, and can generate infrared light invisible to human eyes after being electrified; the receiving tube is a black infrared phototube, and the internal resistance can change along with the amount of the received infrared light; the external circuit is connected with the receiving tube (the receiving tube is connected between the VDD power supply and the ground), so that the internal resistance change of the receiving tube can be converted into voltage change, and a corresponding voltage value is obtained.

It should be noted that, when one infrared pair tube circuit is installed in the cooking appliance, if the surface of the inner pot is abnormal, the voltage value output by the infrared pair tube circuit may be wrong, resulting in inaccurate detection result. In order to avoid the above problem, in the embodiment of the present invention, a plurality of infrared tube circuits may be used for detection. The number of the infrared pair tube circuits can be determined according to actual detection precision requirements and cost requirements, and the invention is not particularly limited to this.

Optionally, the plurality of infrared pair tube circuits are installed in a preset direction of the cooking appliance according to a preset interval, wherein the preset direction includes one of the following: horizontal direction, vertical direction, and diagonal direction. The preset distance may be a distribution distance predetermined according to a structural design, for example, the preset distance may be an equal distance or an unequal distance, and may be specifically determined according to an actual detection precision requirement. In the embodiment of the invention, in order to simplify the installation process, the plurality of paths of infrared pair tube circuits are distributed at equal intervals in the preset direction.

It should be further noted that, the external circuits are different, the corresponding relationship between the voltage value input to the controller and the resistance of the receiving tube is different, and the receiving tube is connected between the VCC and the detection port of the controller, so that the smaller the resistance is, the larger the output voltage value is; the receiving tube is connected between the detection port of the controller and the ground, and the smaller the resistance is, the smaller the output voltage value is. In order to avoid the damage to the controller caused by the overlarge voltage input to the detection port of the controller, in the embodiment of the invention, a connection mode that the receiving pipe is connected between the detection port of the controller and the ground can be adopted.

And step S104, determining the material of the inner pot in the cooking utensil based on at least one voltage value.

In an optional embodiment, the inner pots with different colors can be detected through the transmitting tube and the receiving tube in the infrared pair tube circuit, so that the resistance of the receiving tube is not used, and further the voltage values output by the external circuit are different. After a detection port of a controller (for example, a single chip microcomputer) of the cooking appliance obtains the voltage value, the material of the inner pot currently put into the cooking appliance can be determined based on the voltage value.

In the above embodiments of the present invention, determining a material of an inner pot of a cooking appliance based on at least one voltage value includes: obtaining the average value of at least one voltage value to obtain the voltage average value; comparing the voltage mean value with a plurality of preset voltage ranges to obtain a target voltage range corresponding to the voltage mean value; and determining the material of the inner pot based on the target voltage range.

Different cooking utensils can be configured with inner pots made of different materials, the inner pots made of different materials can be tested before the cooking utensils leave a factory, and the predicted voltage range corresponding to the inner pot made of each material is determined, so that a plurality of preset voltage ranges are obtained. On the basis, the corresponding relation between the preset voltage range and the material of the inner pot can be established and stored in a controller of the cooking appliance, and in actual use, the purpose of detecting the material of the inner pot is achieved by comparing the acquired voltage value with a plurality of preset voltage ranges.

Optionally, in order to avoid detection errors caused by discoloration of the inner pot due to long-time use, a wider preset voltage range may be used for detection, and on this basis, a voltage difference value corresponding to each preset voltage range is 1V, where the voltage difference value is a difference value between a maximum voltage value and a minimum voltage value within the preset voltage range. For example, taking the receiving tube connected between the detecting port of the controller and the ground as an example, the plurality of preset voltage ranges may include: less than 1V, greater than 1.5V and less than 2.5V, greater than 3V and less than 4V.

In an alternative embodiment, a voltage value is taken as an example for description, and since a voltage average value of a voltage value is the same as the voltage value, the obtained voltage value may be directly used as a voltage value (i.e., the voltage average value) for finally determining the material of the inner pot.

In another alternative embodiment, a plurality of voltage values are taken as an example for explanation, for the same inner pot, the voltage values output by the infrared pair tube circuits installed at different positions should be theoretically the same, but due to the fact that the use time is long, the color change degrees at different positions are different, and therefore the voltage values have differences. On the basis, the voltage value (i.e. the voltage average value) used as the final judgment of the material of the inner pot can be obtained by calculating the average value of a plurality of voltage values.

In addition, the voltage average value may be compared with the maximum voltage value and the minimum voltage value in each preset voltage range, and when the voltage average value is greater than the minimum voltage value of one preset voltage range and less than the maximum voltage value of the preset voltage range, the preset voltage range may be determined as the target voltage range.

After the target voltage range is determined, the corresponding relation between the preset voltage range and the material of the inner pot stored in the controller can be inquired, so that the material of the inner pot corresponding to the target voltage range is determined.

Based on the working principle of the infrared pair tube circuit, when the receiving tube cannot receive the reflected light, the resistance of the receiving tube is a fixed value, and at the moment, the received voltage value is larger and is close to a VDD value; as the light quantity received by the receiving tube increases, the resistance of the receiving tube is gradually smaller, and the corresponding voltage value is gradually reduced. Therefore, when the surface of the inner pot is normal, the obtained voltage value is usually larger than 0, and when the surface of the inner pot is abnormal, the obtained voltage value is usually close to 0.

The above-mentioned setting range may be a voltage range determined by experiments and capable of normally detecting the material of the inner pot, the minimum voltage value of the voltage range may be a voltage value close to 0, and the maximum voltage value may be a VDD value (for example +5V) of the connection of the receiving pipe. By comparing the acquired voltage value with the set range, the problem that the detection accuracy is reduced due to the fact that the surface of the inner pot is abnormal is avoided.

In an optional embodiment, a voltage value is taken as an example for description, the voltage value is compared with a set range, and only if the voltage value is within the set range, that is, the voltage value is greater than the minimum voltage value of the set range and less than or equal to the maximum voltage value of the set range, it can be determined that the detection process is normal, the detection process can be continued, and if the voltage value is not greater than the minimum voltage value of the set range, an alarm is given to prompt a user that the surface of the inner pot is abnormal.

In another optional embodiment, a plurality of voltage values are taken as an example for description, the plurality of voltage values are compared with a set range, and only if all the voltage values are within the set range, that is, each voltage value is greater than the minimum voltage value of the set range and less than or equal to the maximum voltage value of the set range, it can be determined that the detection process is normal, the detection process can be continued, and if not, an alarm is given to remind a user that there is an abnormality on the surface of the inner pot.

In an alternative embodiment, based on the principle of infrared pair tube emission and reception, the voltage value output by the infrared pair tube circuit represents the amount of light received, which corresponds to the color of the coating on the inner pan surface. Because the coating with different colors is coated on the surface of the inner pot made of different materials, the color of the coating can be determined directly based on the obtained voltage value, and then the material of the inner pot is determined, so that the purpose of determining the material of the inner pot based on the voltage value output by the infrared geminate transistor circuit is achieved.

Under the condition that the inner pot is not placed in the cooking appliance, the quantity of light received by the receiving tube in the infrared pair tube circuit is small, even the light cannot be received, and the resistance of the receiving tube is large, so that the output voltage value is higher than the output voltage value when the inner pot is placed. On this basis, in order to avoid that the user forgets to place the inner pot by mistake and the cooking appliance is damaged, a minimum voltage value for representing that the user does not place the inner pot may be determined in advance through experiments, and as the preset voltage value, for example, the preset voltage value may be 4V, but is not limited thereto. In the actual use process, whether the cooking utensil is placed in the pot is detected through the infrared pair tube circuit, and an alarm prompt is given.

In an optional embodiment, when it is detected that the voltage value output by the infrared pair transistor circuit is greater than the preset voltage value, it may be determined that the inner pot is not placed in the cooking appliance, and at this time, a prompt message may be output to remind the user to place the inner pot, and then cooking is started.

The cooking parameters may include: the heating power, the target pressure, the heating time, and the like are different from each other in the pressure and the heating time set for different cooking functions, and in the embodiment of the present invention, the heating power is described as an example.

In an optional embodiment, can start different heating power and heat according to the interior pot of different materials to avoid the interior pot of different materials, adopt the same heating power to lead to the culinary art effect not good, perhaps harm cooking utensil's problem, reach the purpose that improves culinary art effect, improve cooking utensil reliability.

Referring to fig. 2 and 3, a preferred embodiment of the present invention will be described in detail, as shown in the system block diagram of fig. 2, the cooking utensil may be configured with inner pots with different colors, that is, the color of the coating on the surface of the inner pot is different. In actual use, the controller can determine the material of the inner pot based on the voltage values after receiving the plurality of voltage values by acquiring the plurality of infrared signals through the plurality of infrared geminate transistors, and then cook by adopting corresponding heating power, or give an alarm to a user to remind under the condition that the surface of the inner pot is determined to be abnormal or the inner pot is not placed based on the voltage values.

The specific process of detecting the material of the inner pot by the multi-path infrared pair tubes is shown in fig. 3, and the specific process is still described by taking the example that the color of the steel pot is black, the color of the enamel pot is gray, and the color of the aluminum pot is light white. Putting the cooker into an inner pot, starting a cooking appliance, starting a plurality of paths of infrared geminate transistors for detection, outputting a voltage value to a controller by an infrared geminate transistor circuit, judging whether the voltage values of the plurality of paths are all in a set range by the controller, if so, continuing to detect, and if not, alarming and reminding, wherein the surface of the inner pot is abnormal. When the voltage value is detected to be less than 1V, determining that the light white inner pot is placed, starting heating power 1 to start heating according to the fact that the light white inner pot is made of an aluminum pot, and finishing cooking; when the voltage value is detected to be larger than 1.5V and smaller than 2.5V, the gray inner pot is determined to be placed, the heating power 2 is started to start heating according to the fact that the gray inner pot is made of an enamel pot, and cooking is finished; when the voltage value is detected to be larger than 3V and smaller than 4V, the black inner pot is determined to be placed, the heating power 3 is started to start heating according to the fact that the black inner pot is made of a steel pot, and cooking is finished; when the voltage value is detected to be larger than 4V and smaller than 5V, the inner pot is determined not to be placed, heating cannot be started, and alarm reminding is carried out.

Detect through infrared geminate transistor, can be according to the difference of interior pot surface coating colour, receive the principle according to infrared geminate transistor transmission, according to receiving the light quantity different to the analog quantity of output difference, the controller detects the analog quantity of input, can accurately judge the coating colour of current interior pot, thereby learn what kind of interior pot is currently, judge that the interval scope is bigger moreover, thereby avoid appearing the condition of erroneous judgement. According to the pot in the difference, start different heating power heating, avoid because pot in the difference, adopt the same heating power heating to lead to the culinary art effect not good, perhaps harm the problem of machine, improve the reliability of product.

According to an embodiment of the present invention, there is also provided an inner pot detection apparatus, which can perform the inner pot detection method, and the specific implementation scheme and the preferred implementation scheme are the same as or similar to the inner pot detection method described above, and are not described herein again.

Fig. 4 is a schematic view of an inner pot detecting apparatus according to an embodiment of the present invention, as shown in fig. 4, the apparatus includes:

the obtaining module 42 is configured to obtain a voltage value output by at least one infrared pair transistor circuit;

and the determining module 44 is used for determining the material of the inner pot in the cooking utensil based on at least one voltage value.

In the above embodiment of the present invention, the determining module includes: the acquiring unit is used for acquiring the mean value of at least one voltage value to obtain the voltage mean value; the comparison unit is used for comparing the voltage mean value with a plurality of preset voltage ranges to obtain a target voltage range corresponding to the voltage mean value; and the determining unit is used for determining the material of the inner pot based on the target voltage range.

Optionally, the apparatus further comprises: the judging module is used for judging whether at least one voltage value is in a set range; the obtaining unit is further configured to obtain a mean value of the at least one voltage value under the condition that the at least one voltage value is within the set range, so as to obtain a voltage mean value; and the output module is used for outputting alarm information under the condition that any one voltage value in the at least one voltage value is not in the set range, wherein the alarm information is used for representing that the surface of the inner pot is abnormal.

Optionally, the determining unit is further configured to determine a color of a coating on the surface of the inner pan based on the target voltage range, and determine a material of the inner pan based on a correspondence between the color of the coating and the material of the inner pan.

Optionally, the apparatus further comprises: and the output module is used for outputting prompt information under the condition that the voltage mean value is greater than the preset voltage value, wherein the preset voltage value is greater than or equal to the maximum voltage value in a plurality of preset voltage ranges, and the prompt information is used for prompting that the inner pot is not placed in the cooking utensil.

Optionally, the apparatus further comprises: and the control module is used for determining the corresponding cooking parameters of the inner pot based on the material of the inner pot and controlling the cooking appliance to execute the cooking operation according to the cooking appliance.

According to an embodiment of the present invention, there is also provided a cooking appliance, which can perform the inner pot detection method, and the specific implementation scheme and the preferred implementation scheme are the same as or similar to the inner pot detection method described above, and are not described herein again.

Fig. 5 is a schematic view of a cooking appliance according to an embodiment of the present invention, as shown in fig. 5, the cooking appliance including: at least one infrared pair tube circuit 52 and a controller 54, wherein the controller 54 is connected with the at least one infrared pair tube circuit 52.

The controller 54 is configured to determine a material of an inner pot in the cooking appliance based on a voltage value output by the at least one infrared pair tube circuit 52.

The controller 54 may be a main control chip of the cooking appliance, for example, a single chip.

In the above embodiment of the present invention, the controller 54 is further configured to obtain a mean value of at least one voltage value, obtain a voltage mean value, compare the voltage mean value with a plurality of preset voltage ranges, obtain a target voltage range corresponding to the voltage mean value, and determine the material of the inner pot based on the target voltage range.

Optionally, the controller 54 is further configured to determine whether the at least one voltage value is within a set range, where under the condition that the at least one voltage value is within the set range, an average value of the at least one voltage value is obtained to obtain a voltage average value; and under the condition that any one voltage value in the at least one voltage value is not in the set range, outputting alarm information, wherein the alarm information is used for representing that the surface of the inner pot is abnormal.

Optionally, the controller 54 is further configured to determine a color of the coating on the surface of the inner pot based on the target voltage range, and determine a material of the inner pot based on a correspondence between the color of the coating and the material of the inner pot.

Optionally, the controller 54 is further configured to output a prompt message when the voltage average value is greater than a preset voltage value, where the preset voltage value is greater than or equal to a maximum voltage value in a plurality of preset voltage ranges, and the prompt message is used to prompt that the inner pot is not placed in the cooking appliance.

Optionally, the controller 54 is further configured to determine a cooking parameter corresponding to the inner pot based on the material of the inner pot, and control the cooking appliance to perform a cooking operation according to the cooking appliance.

According to an embodiment of the present invention, there is also provided a storage medium, where the storage medium includes a stored program, and when the program runs, the apparatus on which the storage medium is located is controlled to execute the above-mentioned inner pan detection method.

According to the embodiment of the invention, the invention further provides a processor, wherein the processor is used for running the program, and the program executes the inner pot detection method when running.

In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.

The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

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Inner pot detection method and cooking utensil

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